Size:This cap is adjustable、two size availiable.Adult size、can fits the people whose head circumference is 55to59cm.Kid size、can fits kids whose head circumference is 51to55cm.Please measure your or your kid's head size before make the order.Material:Top Quality 100%Cotton Brushed Twill Fabric.Logo:Delicate Flat Embroidery.Sweat band:100%Cotton Fabric.